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WorksheetsScience 8 MT Review
Total questions: 28
Worksheet time: 19mins
How can you tell if an object is in motion?
The object will look different.
I'll be able to see the forces.
It will remain in the same position.
Its position will change in relation to other objects.
Which of Newton's Laws is demonstrated by a ball rolling to a wall then stopping?
Law of Inertia
Law of Acceleration
Law of Interaction
Law of Action and Reaction
Which of Newton's Laws describes the amount of force applied to accelerate an object's mass?
Law of Inertia
Law of Acceleration
Law of Interaction
Law of Action and Reaction
What is inertia?
The mass of an object.
Another name for unbalanced forces.
The opposing force of gravity.
The tendency of an object to continue doing what it is currently doing.
Why do you lean towards the left when a car turns right?
Because of inertia
Because of gravity
Because of buoyancy
Because of velocity
For an action force, there must be a reaction force that
Always acts in the same direction
Is slightly smaller in magnitude than the action force
Is slightly larger in amplitude than the action force
Is exactly equal in magnitude
An archer shoots an arrow. Consider the action force to be the bowstring against the arrow. The reaction to this force is the
Combined weight of the arrow and bowstring
Friction of the ground against the archer's feet
Grip of the archer's hand on the bow
Arrow's push against the bowstring
Why is it harder to push a van filled with bowling balls than it is to push van filled with basketballs?
The mass of the car is greater than the mass of the basketball.
The mass of the bowling balls is greater than the mass of the basketballs
The van with the basketballs is bigger than the van with the bowling balls.
It should be equally as hard to push the two vans
Which of the following sentences uses work in the scientific sense?
Stan goes to work on the bus.
Anne did work on the project for 5 hours.
Joseph found that holding the banner in place was hard work.
An engine does work on a car when the car is moving.
If Elio pushes against a wall with twice as much force as Jordan, which of the following is TRUE?
Elio is doing twice as much work as Jordan.
They both generate work in equal amounts.
No work is being done by Elio or Jordan
None
What type of energy does the skater possess when he is at the greatest height on the track as shown in the picture above?
Elastic potential energy
Gravitational potential energy
Gravitational potential energy and kinetic energy
kinetic energy
What type of energy does the skater possess when he is moving pass the bottom of the track as shown in the picture above?
Elastic potential energy
Gravitational potential energy
Gravitational potential energy and kinetic energy
kinetic energy
What type of energy is possessed by the strings of the bow?
Elastic potential energy
Gravitational potential energy
Gravitational potential energy and kinetic energy
kinetic energy
At which point does the rollercoaster have the HIGHEST potential energy?
Position A
Position B
Position C
None
At which point does the rollercoaster have the HIGHEST kinetic energy?
Position A
Position B
Position C
None
Sound travels best through ___________________.
Water
Air
Solids
None
Which type of wave is sound?
Electromagnetic wave
Seismic wave
Transverse wave
Longitudinal wave
Which electromagnetic waves have the shortest wavelengths and highest frequencies?
Gamma rays
Radio waves
UV rays
Microwaves
Which electromagnetic waves have the longest wavelengths and shortest frequencies?
Gamma rays
Radio waves
UV rays
Microwaves
This color has the longest wavelength of visible light:
Blue
Green
Yellow
Red
This color has the shortest wavelength of visible light:
Violet
Blue
Orange
Red
Which heat transfer is shown in the scenario:
Touching hot spoon
Conduction
Convection
Radiation
EM wave
Which heat transfer is shown in the scenario:
Air circulation in house
Conduction
Convection
Radiation
EM wave
Which heat transfer is shown in the scenario:
Light waves traveling through empty space
Conduction
Convection
Radiation
EM wave
A 25 kg object is accelerating to the right at 15 m/s2. What is the magnitude of the net force acting on it?
375 N
376 N
377 N
378 N
A 7 kg object is accelerating to the right at 2 km/s2. What is the magnitude of the net force acting on it?
3.5 N
14 N
14,000 N
21, 000 N
An object was thrown with 50 N force and formed a 30 degree angle. If the object moved a distance of 5 meters, how much was done by the person?
210 J
216.50 J
216.51 J
216.52
An object was thrown with 50 N force and formed a 30 degree angle. If the object moved a distance of 250 cm, how much was done by the person?
108 J
108.25 J
108.26 J
108.27
